The Plunge Protection Team is composed of the chair of the Federal Reserve, the Secretary of the Treasury, the SEC, and the Commodities Futures Trading Commission. Officially called the Working Group on Financial Markets, this group was formed after the 1987 stock market crash. As described in a 1997 Washington Post article, its mission has been to monitor and prevent financial crises.
Proposed financial regulation from the Chris Dodd committee includes creating a Financial Oversight Stability Council that is charged with “identifying, monitoring and addressing systemic risk.”
The Economic Lesson
To see the content of major federal banking and financial regulation during the past century, this link provides a list of laws and their content. It is excellent.